1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.kernel.servlet;
24  
25  import com.liferay.portal.kernel.log.Log;
26  import com.liferay.portal.kernel.log.LogFactoryUtil;
27  import com.liferay.portal.kernel.portlet.LiferayPortletSession;
28  import com.liferay.portal.kernel.portlet.PortletFilterUtil;
29  import com.liferay.portal.kernel.util.JavaConstants;
30  import com.liferay.portal.kernel.util.WebKeys;
31  
32  import java.io.IOException;
33  
34  import javax.portlet.PortletException;
35  import javax.portlet.PortletRequest;
36  import javax.portlet.PortletResponse;
37  import javax.portlet.filter.FilterChain;
38  
39  import javax.servlet.ServletException;
40  import javax.servlet.http.HttpServlet;
41  import javax.servlet.http.HttpServletRequest;
42  import javax.servlet.http.HttpServletResponse;
43  import javax.servlet.http.HttpSession;
44  
45  /**
46   * <a href="PortletServlet.java.html"><b><i>View Source</i></b></a>
47   *
48   * @author Brian Wing Shun Chan
49   */
50  public class PortletServlet extends HttpServlet {
51  
52      public static final String PORTLET_CLASS_LOADER = "PORTLET_CLASS_LOADER";
53  
54      public static final String PORTLET_SERVLET_CONFIG =
55          "com.liferay.portal.kernel.servlet.PortletServletConfig";
56  
57      public static final String PORTLET_SERVLET_FILTER_CHAIN =
58          "com.liferay.portal.kernel.servlet.PortletServletFilterChain";
59  
60      public static final String PORTLET_SERVLET_REQUEST =
61          "com.liferay.portal.kernel.servlet.PortletServletRequest";
62  
63      public static final String PORTLET_SERVLET_RESPONSE =
64          "com.liferay.portal.kernel.servlet.PortletServletResponse";
65  
66      public void service(
67              HttpServletRequest request, HttpServletResponse response)
68          throws IOException, ServletException {
69  
70          String portletId = (String)request.getAttribute(WebKeys.PORTLET_ID);
71  
72          PortletRequest portletRequest = (PortletRequest)request.getAttribute(
73              JavaConstants.JAVAX_PORTLET_REQUEST);
74  
75          PortletResponse portletResponse = (PortletResponse)request.getAttribute(
76              JavaConstants.JAVAX_PORTLET_RESPONSE);
77  
78          String lifecycle = (String)request.getAttribute(
79              PortletRequest.LIFECYCLE_PHASE);
80  
81          FilterChain filterChain = (FilterChain)request.getAttribute(
82              PORTLET_SERVLET_FILTER_CHAIN);
83  
84          LiferayPortletSession portletSession =
85              (LiferayPortletSession)portletRequest.getPortletSession();
86  
87          portletRequest.setAttribute(WebKeys.PORTLET_ID, portletId);
88          portletRequest.setAttribute(PORTLET_SERVLET_CONFIG, getServletConfig());
89          portletRequest.setAttribute(PORTLET_SERVLET_REQUEST, request);
90          portletRequest.setAttribute(PORTLET_SERVLET_RESPONSE, response);
91  
92          HttpSession session = request.getSession();
93  
94          PortletSessionTracker.add(session);
95  
96          portletSession.setHttpSession(session);
97  
98          try {
99              PortletFilterUtil.doFilter(
100                 portletRequest, portletResponse, lifecycle, filterChain);
101         }
102         catch (PortletException pe) {
103             _log.error(pe, pe);
104 
105             throw new ServletException(pe);
106         }
107     }
108 
109     private static Log _log = LogFactoryUtil.getLog(PortletServlet.class);
110 
111 }